Web of Science search:
((((peat OR peatland OR peatlands OR bog OR fen OR mire) NOT ((tropic* NEAR/3 peat) OR (tropic NEAR/3 fen) OR subtropic OR malays* OR indones* OR india* OR amason* OR amazon* OR brazil* OR congo))) AND ((peat NEAR/5 (agricultur* OR cultivated OR arable)) OR (drain* NEAR/5 agricultur*)))